anniversarynoun [C]uk /ˌæn.ɪˈvɜː.sər.i/ us /-ˈvɝː.sɚ-/
- We are planning a dinner to celebrate the 50th anniversary of the founding of the company.
- Tomorrow's parade will mark the 50th anniversary of the battle.
- We went for a slap-up meal on our wedding anniversary.
- It was their 25th wedding anniversary last week.
- On this anniversary of the tragedy we remember the living as well as the dead.